file

The File library allows reading and writing from/to external files using a C-like File IO API.

These functions are considered dangerous and require the user to manually permit them

Types

std::file::Handle

A handle representing a file that has been opened

using Handle = s32;

std::file::Mode

The mode to open a file in. Read opens the file in read-only mode Write opens the file in read and write mode Create creates a new file if it doesn't exist and overwrites an existing file

enum Mode : u8 {
    Create,
    Read,
    Write
};

Functions

std::file::open

Opens a file

• path: The path to the file to open

• mode: File open mode

• return: Handle to the newly opened file

fn open(str path, std::file::Mode mode);

std::file::close

Closes a file handle that has been opened previously

• handle: The handle to close

fn close(std::file::Handle handle);

std::file::read

Reads the content of a file into a string

• handle: The file handle to read from

• size: Number of bytes to read

• return: String containing the read data

fn read(std::file::Handle handle, u64 size);

std::file::write

Writes the content of a string into a file

• handle: The file handle to write to

• data: String or Pattern to write to the file

fn write(std::file::Handle handle, auto data);

std::file::seek

Sets the current cursor position in the given file handle

• handle: The file handle to set the cursor position in

• offset: The offset to move the cursor to

fn seek(std::file::Handle handle, u64 offset);

std::file::size

Queries the size of a file

• handle: The handle of the file to get the size of

• return: The file's size

fn size(std::file::Handle handle);

std::file::resize

Resizes a file

• handle: The handle of the file to resize

fn resize(std::file::Handle handle, u64 size);

std::file::flush

Flushes changes made to a file to disk

• handle: The handle of the file to flush

fn flush(std::file::Handle handle);

std::file::remove

Deletes a file from disk. This will also automatically close this file

• handle: The handle of the file to delete

fn remove(std::file::Handle handle);